package file;
import java.io.File;
import java.io.FileFilter;

public class Test {
    public static void main(String[] args) {
        File dir=new File("./src/main/java/file");
        if (dir.isDirectory()){
            FileFilter filter=new FileFilter() {
                public boolean accept(File file) {
                    //String name=file.getName();
                    //return name.startsWith("D");
                    long len=file.length();
                    return len<=900;

                    //获取900字节以下的所有文件
//                    long len = file.length();
//                    return len<=900;
                }
            };
            File[] subs=dir.listFiles(filter);
            for (File sub:subs){
                System.out.println(sub.getName());

            }

        }
    }
}
